Convert //cc from scoped_ptr to std::unique_ptr.

cc/raster/tile_task_runner.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_RASTER_TILE_TASK_RUNNER_H_
 #define CC_RASTER_TILE_TASK_RUNNER_H_
 
 #include <stdint.h>
 
 #include <vector>
 
 #include "base/callback.h"
 #include "cc/raster/task_graph_runner.h"
 #include "cc/resources/resource_format.h"
 
 namespace cc {
 class ImageDecodeTask;
 class RasterTask;
 class Resource;
 class RasterBuffer;
 
 class CC_EXPORT TileTaskClient {
  public:
-  virtual scoped_ptr<RasterBuffer> AcquireBufferForRaster(
+  virtual std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource,
       uint64_t resource_content_id,
       uint64_t previous_content_id) = 0;
-  virtual void ReleaseBufferForRaster(scoped_ptr<RasterBuffer> buffer) = 0;
+  virtual void ReleaseBufferForRaster(std::unique_ptr<RasterBuffer> buffer) = 0;
 
  protected:
   virtual ~TileTaskClient() {}
 };
 
 class CC_EXPORT TileTask : public Task {
  public:
   typedef std::vector<scoped_refptr<TileTask>> Vector;
 
   virtual void ScheduleOnOriginThread(TileTaskClient* client) = 0;
@@ skipping 67 matching lines @@
  protected:
   // Check if resource format matches output format.
   static bool ResourceFormatRequiresSwizzle(ResourceFormat format);
 
   virtual ~TileTaskRunner() {}
 };
 
 }  // namespace cc
 
 #endif  // CC_RASTER_TILE_TASK_RUNNER_H_